U.S. GDP In Q1 Revised Lower As Austerity Measures Bite

... It's not all stationary bikes and exercise balls. You might, for example, specialize in swimming for seniors or yoga. Pay range: The typical pay is $17 an hour to $30 an hour. But in larger cities, rates can jump to $60 per hour to $100 or more. ...

http://www.huffingtonpost.com/2013/05/30/us-gdp-q1_n_3358706.html